into the fight. >>> president obama said he was one of the many millions inspired by nelson mandela as he mourned his passing. he called him a moral giant. >> we have lost one of the most influential, courageous and profoundly good human beings that any of us will share time with on this earth. >> reporter: the president ordered the flags at the white house, federal buildings and military bases to be flown at half staff until sunset monday. >>> a loaded shotgun at a bay area school and parents weren't notified until later. >> two days later you get a voice mail and i'm driving, i was like what. >> the reason the school wasn't even put into lock down. >> the unusually cold spots, the rain still to come and where snow is expected. >> next, donations to build a park or to pay off the america's cup. the fundraiser tactics making critics skeptical. >>>2 investigates questions about a waterfront park in san francisco. the offer support the plan by buying a brick with a message. a man says the port isn't being up front about the project or where the money goes. >> reporter: the park is being built here.